Respuesta :

Melody08

Answer:

112°

Step-by-step explanation:

x = 180° - 21° - (180°-133°)  [angle sum of triangle; adj angles on a str line)

  = 180° - 21° - 47°

  = 112°

chennikki16
133-21=112
X would be 112 degrees because two interior angles add up to the exterior angle